Ko, C. W., Siddique, S. M., Patel, A., Harris, A., Sultan, S., Altayar, O., & Falck-Ytter, Y. (2020). AGA Clinical Practice Guidelines on the Gastrointestinal Evaluation of Iron Deficiency Anemia. Gastroenterology, 159(3), 1085–1094. https://doi.org/10.1053/j.gastro.2020.06.046

Ko, Cynthia W., Shazia M. Siddique, Amit Patel, Andrew Harris, Shahnaz Sultan, Osama Altayar, and Yngve Falck-Ytter. “AGA Clinical Practice Guidelines on the Gastrointestinal Evaluation of Iron Deficiency Anemia.” Gastroenterology 159, no. 3 (September 2020): 1085–94. https://doi.org/10.1053/j.gastro.2020.06.046.

Ko CW, Siddique SM, Patel A, Harris A, Sultan S, Altayar O, et al. AGA Clinical Practice Guidelines on the Gastrointestinal Evaluation of Iron Deficiency Anemia. Gastroenterology. 2020 Sep;159(3):1085–94.

Ko, Cynthia W., et al. “AGA Clinical Practice Guidelines on the Gastrointestinal Evaluation of Iron Deficiency Anemia.” Gastroenterology, vol. 159, no. 3, Sept. 2020, pp. 1085–94. Pubmed, doi:10.1053/j.gastro.2020.06.046.

Ko CW, Siddique SM, Patel A, Harris A, Sultan S, Altayar O, Falck-Ytter Y. AGA Clinical Practice Guidelines on the Gastrointestinal Evaluation of Iron Deficiency Anemia. Gastroenterology. 2020 Sep;159(3):1085–1094.